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Finding the Fourth Proportional to 2,976.44, 4,107.39 and 1,797.31

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Solution

The fourth proportional to 2,976.44, 4,107.39 and 1,797.31 is: 2,480.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.44 : 4,107.39 = 1,797.31 : x
  2. Step 2: Convert to fraction form
    2,976.44/4,107.39 = 1,797.31/x
  3. Step 3: Cross multiply
    2,976.44x = 4,107.39 × 1,797.31
  4. Step 4: Simplify right side
    2,976.44x = 7,382,232.58
  5. Step 5: Solve for x
    x = 7,382,232.58/2,976.44
  6. Step 6: Final answer
    x = 2,480.22

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.